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diff --git a/Source/WebCore/html/HTMLImageElement.cpp b/Source/WebCore/html/HTMLImageElement.cpp
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+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "HTMLImageElement.h"
+
+#include "Attribute.h"
+#include "CSSPropertyNames.h"
+#include "CSSValueKeywords.h"
+#include "EventNames.h"
+#include "FrameView.h"
+#include "HTMLDocument.h"
+#include "HTMLFormElement.h"
+#include "HTMLNames.h"
+#include "HTMLParserIdioms.h"
+#include "RenderImage.h"
+#include "ScriptEventListener.h"
+
+using namespace std;
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLImageElement::HTMLImageElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+    : HTMLElement(tagName, document)
+    , m_imageLoader(this)
+    , ismap(false)
+    , m_form(form)
+    , m_compositeOperator(CompositeSourceOver)
+{
+    ASSERT(hasTagName(imgTag));
+    if (form)
+        form->registerImgElement(this);
+}
+
+PassRefPtr<HTMLImageElement> HTMLImageElement::create(Document* document)
+{
+    return adoptRef(new HTMLImageElement(imgTag, document));
+}
+
+PassRefPtr<HTMLImageElement> HTMLImageElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+{
+    return adoptRef(new HTMLImageElement(tagName, document, form));
+}
+
+HTMLImageElement::~HTMLImageElement()
+{
+    if (m_form)
+        m_form->removeImgElement(this);
+}
+
+PassRefPtr<HTMLImageElement> HTMLImageElement::createForJSConstructor(Document* document, const int* optionalWidth, const int* optionalHeight)
+{
+    RefPtr<HTMLImageElement> image = adoptRef(new HTMLImageElement(imgTag, document));
+    if (optionalWidth)
+        image->setWidth(*optionalWidth);
+    if (optionalHeight > 0)
+        image->setHeight(*optionalHeight);
+    return image.release();
+}
+
+bool HTMLImageElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
+{
+    if (attrName == widthAttr ||
+        attrName == heightAttr ||
+        attrName == vspaceAttr ||
+        attrName == hspaceAttr ||
+        attrName == valignAttr) {
+        result = eUniversal;
+        return false;
+    }
+
+    if (attrName == borderAttr || attrName == alignAttr) {
+        result = eReplaced; // Shared with embed and iframe elements.
+        return false;
+    }
+
+    return HTMLElement::mapToEntry(attrName, result);
+}
+
+void HTMLImageElement::parseMappedAttribute(Attribute* attr)
+{
+    const QualifiedName& attrName = attr->name();
+    if (attrName == altAttr) {
+        if (renderer() && renderer()->isImage())
+            toRenderImage(renderer())->updateAltText();
+    } else if (attrName == srcAttr)
+        m_imageLoader.updateFromElementIgnoringPreviousError();
+    else if (attrName == widthAttr)
+        addCSSLength(attr, CSSPropertyWidth, attr->value());
+    else if (attrName == heightAttr)
+        addCSSLength(attr, CSSPropertyHeight, attr->value());
+    else if (attrName == borderAttr) {
+        // border="noborder" -> border="0"
+        addCSSLength(attr, CSSPropertyBorderWidth, attr->value().toInt() ? attr->value() : "0");
+        addCSSProperty(attr, CSSPropertyBorderTopStyle, CSSValueSolid);
+        addCSSProperty(attr, CSSPropertyBorderRightStyle, CSSValueSolid);
+        addCSSProperty(attr, CSSPropertyBorderBottomStyle, CSSValueSolid);
+        addCSSProperty(attr, CSSPropertyBorderLeftStyle, CSSValueSolid);
+    } else if (attrName == vspaceAttr) {
+        addCSSLength(attr, CSSPropertyMarginTop, attr->value());
+        addCSSLength(attr, CSSPropertyMarginBottom, attr->value());
+    } else if (attrName == hspaceAttr) {
+        addCSSLength(attr, CSSPropertyMarginLeft, attr->value());
+        addCSSLength(attr, CSSPropertyMarginRight, attr->value());
+    } else if (attrName == alignAttr)
+        addHTMLAlignment(attr);
+    else if (attrName == valignAttr)
+        addCSSProperty(attr, CSSPropertyVerticalAlign, attr->value());
+    else if (attrName == usemapAttr) {
+        if (attr->value().string()[0] == '#')
+            usemap = attr->value();
+        else
+            usemap = document()->completeURL(stripLeadingAndTrailingHTMLSpaces(attr->value())).string();
+        setIsLink(!attr->isNull());
+    } else if (attrName == ismapAttr)
+        ismap = true;
+    else if (attrName == onabortAttr)
+        setAttributeEventListener(eventNames().abortEvent, createAttributeEventListener(this, attr));
+    else if (attrName == onloadAttr)
+        setAttributeEventListener(eventNames().loadEvent, createAttributeEventListener(this, attr));
+    else if (attrName == onbeforeloadAttr)
+        setAttributeEventListener(eventNames().beforeloadEvent, createAttributeEventListener(this, attr));
+    else if (attrName == compositeAttr) {
+        if (!parseCompositeOperator(attr->value(), m_compositeOperator))
+            m_compositeOperator = CompositeSourceOver;
+    } else if (attrName == nameAttr) {
+        const AtomicString& newName = attr->value();
+        if (inDocument() && document()->isHTMLDocument()) {
+            HTMLDocument* document = static_cast<HTMLDocument*>(this->document());
+            document->removeNamedItem(m_name);
+            document->addNamedItem(newName);
+        }
+        m_name = newName;
+    } else if (isIdAttributeName(attr->name())) {
+        const AtomicString& newId = attr->value();
+        if (inDocument() && document()->isHTMLDocument()) {
+            HTMLDocument* document = static_cast<HTMLDocument*>(this->document());
+            document->removeExtraNamedItem(m_id);
+            document->addExtraNamedItem(newId);
+        }
+        m_id = newId;
+        // also call superclass
+        HTMLElement::parseMappedAttribute(attr);
+    } else
+        HTMLElement::parseMappedAttribute(attr);
+}
+
+String HTMLImageElement::altText() const
+{
+    // lets figure out the alt text.. magic stuff
+    // http://www.w3.org/TR/1998/REC-html40-19980424/appendix/notes.html#altgen
+    // also heavily discussed by Hixie on bugzilla
+    String alt = getAttribute(altAttr);
+    // fall back to title attribute
+    if (alt.isNull())
+        alt = getAttribute(titleAttr);
+    return alt;
+}
+
+RenderObject* HTMLImageElement::createRenderer(RenderArena* arena, RenderStyle* style)
+{
+    if (style->contentData())
+        return RenderObject::createObject(this, style);
+
+    RenderImage* image = new (arena) RenderImage(this);
+    image->setImageResource(RenderImageResource::create());
+    return image;
+}
+
+void HTMLImageElement::attach()
+{
+    HTMLElement::attach();
+
+    if (renderer() && renderer()->isImage() && m_imageLoader.haveFiredBeforeLoadEvent()) {
+        RenderImage* renderImage = toRenderImage(renderer());
+        RenderImageResource* renderImageResource = renderImage->imageResource();
+        if (renderImageResource->hasImage())
+            return;
+        renderImageResource->setCachedImage(m_imageLoader.image());
+
+        // If we have no image at all because we have no src attribute, set
+        // image height and width for the alt text instead.
+        if (!m_imageLoader.image() && !renderImageResource->cachedImage())
+            renderImage->setImageSizeForAltText();
+    }
+}
+
+void HTMLImageElement::insertedIntoDocument()
+{
+    if (document()->isHTMLDocument()) {
+        HTMLDocument* document = static_cast<HTMLDocument*>(this->document());
+        document->addNamedItem(m_name);
+        document->addExtraNamedItem(m_id);
+    }
+
+    // If we have been inserted from a renderer-less document,
+    // our loader may have not fetched the image, so do it now.
+    if (!m_imageLoader.image())
+        m_imageLoader.updateFromElement();
+
+    HTMLElement::insertedIntoDocument();
+}
+
+void HTMLImageElement::removedFromDocument()
+{
+    if (document()->isHTMLDocument()) {
+        HTMLDocument* document = static_cast<HTMLDocument*>(this->document());
+        document->removeNamedItem(m_name);
+        document->removeExtraNamedItem(m_id);
+    }
+
+    HTMLElement::removedFromDocument();
+}
+
+void HTMLImageElement::insertedIntoTree(bool deep)
+{
+    if (!m_form) {
+        // m_form can be non-null if it was set in constructor.
+        for (ContainerNode* ancestor = parentNode(); ancestor; ancestor = ancestor->parentNode()) {
+            if (ancestor->hasTagName(formTag)) {
+                m_form = static_cast<HTMLFormElement*>(ancestor);
+                m_form->registerImgElement(this);
+                break;
+            }
+        }
+    }
+
+    HTMLElement::insertedIntoTree(deep);
+}
+
+void HTMLImageElement::removedFromTree(bool deep)
+{
+    if (m_form)
+        m_form->removeImgElement(this);
+    m_form = 0;
+    HTMLElement::removedFromTree(deep);
+}
+
+int HTMLImageElement::width(bool ignorePendingStylesheets) const
+{
+    if (!renderer()) {
+        // check the attribute first for an explicit pixel value
+        bool ok;
+        int width = getAttribute(widthAttr).toInt(&ok);
+        if (ok)
+            return width;
+
+        // if the image is available, use its width
+        if (m_imageLoader.image())
+            return m_imageLoader.image()->imageSize(1.0f).width();
+    }
+
+    if (ignorePendingStylesheets)
+        document()->updateLayoutIgnorePendingStylesheets();
+    else
+        document()->updateLayout();
+
+    RenderBox* box = renderBox();
+    return box ? adjustForAbsoluteZoom(box->contentWidth(), box) : 0;
+}
+
+int HTMLImageElement::height(bool ignorePendingStylesheets) const
+{
+    if (!renderer()) {
+        // check the attribute first for an explicit pixel value
+        bool ok;
+        int height = getAttribute(heightAttr).toInt(&ok);
+        if (ok)
+            return height;
+
+        // if the image is available, use its height
+        if (m_imageLoader.image())
+            return m_imageLoader.image()->imageSize(1.0f).height();
+    }
+
+    if (ignorePendingStylesheets)
+        document()->updateLayoutIgnorePendingStylesheets();
+    else
+        document()->updateLayout();
+
+    RenderBox* box = renderBox();
+    return box ? adjustForAbsoluteZoom(box->contentHeight(), box) : 0;
+}
+
+int HTMLImageElement::naturalWidth() const
+{
+    if (!m_imageLoader.image())
+        return 0;
+
+    return m_imageLoader.image()->imageSize(1.0f).width();
+}
+
+int HTMLImageElement::naturalHeight() const
+{
+    if (!m_imageLoader.image())
+        return 0;
+
+    return m_imageLoader.image()->imageSize(1.0f).height();
+}
+
+bool HTMLImageElement::isURLAttribute(Attribute* attr) const
+{
+    return attr->name() == srcAttr
+        || attr->name() == lowsrcAttr
+        || attr->name() == longdescAttr
+        || (attr->name() == usemapAttr && attr->value().string()[0] != '#');
+}
+
+const AtomicString& HTMLImageElement::alt() const
+{
+    return getAttribute(altAttr);
+}
+
+bool HTMLImageElement::draggable() const
+{
+    // Image elements are draggable by default.
+    return !equalIgnoringCase(getAttribute(draggableAttr), "false");
+}
+
+void HTMLImageElement::setHeight(int value)
+{
+    setAttribute(heightAttr, String::number(value));
+}
+
+KURL HTMLImageElement::src() const
+{
+    return document()->completeURL(getAttribute(srcAttr));
+}
+
+void HTMLImageElement::setSrc(const String& value)
+{
+    setAttribute(srcAttr, value);
+}
+
+void HTMLImageElement::setWidth(int value)
+{
+    setAttribute(widthAttr, String::number(value));
+}
+
+int HTMLImageElement::x() const
+{
+    RenderObject* r = renderer();
+    if (!r)
+        return 0;
+
+    // FIXME: This doesn't work correctly with transforms.
+    FloatPoint absPos = r->localToAbsolute();
+    return absPos.x();
+}
+
+int HTMLImageElement::y() const
+{
+    RenderObject* r = renderer();
+    if (!r)
+        return 0;
+
+    // FIXME: This doesn't work correctly with transforms.
+    FloatPoint absPos = r->localToAbsolute();
+    return absPos.y();
+}
+
+bool HTMLImageElement::complete() const
+{
+    return m_imageLoader.imageComplete();
+}
+
+void HTMLImageElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
+{
+    HTMLElement::addSubresourceAttributeURLs(urls);
+
+    addSubresourceURL(urls, src());
+    // FIXME: What about when the usemap attribute begins with "#"?
+    addSubresourceURL(urls, document()->completeURL(getAttribute(usemapAttr)));
+}
+
+void HTMLImageElement::willMoveToNewOwnerDocument()
+{
+    m_imageLoader.elementWillMoveToNewOwnerDocument();
+    HTMLElement::willMoveToNewOwnerDocument();
+}
+
+}